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Questions (5)
How do catalysts affect a chemical reaction?(1 point)
Responses increase activation energy increase activation energy lose
9 answers
11 views
Multiply the polynomial (b+8)(3b−6) to simplify.(1 point)
Responses b^2+30b−48 b squared plus 30 b minus 48 b^2+18b−36 b
7 answers
22 views
Multiply the polynomial expression (x+2)(x−4)
.(2 points) ( )x^2+ ( )x + ( )
7 answers
12 views
All biomolecules are made up of the elements(1 point)
Responses carbon, hydrogen, and oxygen. carbon, hydrogen, and oxygen.
9 answers
20 views
"Are Commercial Honeybees Making Wild Bees Sick?"
by Berly McCoy It is possible to infer from this excerpt something about future
7 answers
19 views
Answers (13)
Which of the following responses demonstrates that polynomials form a closed system under multiplication?(1 point) Responses (x2/2)(1/x) left parenthesis Start Fraction x squared over 2 End Fraction right parenthesis left parenthesis Start Fraction 1 over
Which expression is equivalent to x^3(2+y^5) ?(1 point) Responses 2x^3+x^3y^5 2 x cubed plus x cubed y superscript 5 baseline x^3+x^3+xy+xy+xy x cubed plus x cubed plus x y plus x y plus x y 2x^3+y^5 2 x cubed plus y superscript 5 baseline x^3+2+y^5
What is the product of the polynomials (x^2y+2)(x^2−y)?(1 point) Responses x^3y−x^2y^2+2x^2−2y x cubed y minus x squared y squared plus 2 x squared minus 2 y x^4y−xy+x^2y x superscript 4 baseline y minus x y plus x squared y x^4y−x^2y^2+2x^2−2y
Which of the following shows that polynomials form a closed system under multiplication? Option #1: 3(2/x+5)=6/x+15 Option #2: 8x+7=5x+3x+1+6 Option #3: (2x^2−4)(3y+6)=6x^2y+12x^2−12y−24 Option #4: 2x^1/2⋅3=6x−−√x (1 point) Option #
Simplify the polynomial expression (xy−2)(x^2+1) ( )x^3y + ( )x^2 + ( )xy + ( )
Multiply to simplify the polynomial expression (r−1)(r^2−2r+3) .(2 points) ( )r^3 + ( )r^2+ ( )r + ( )
What makes amino acids unique from fatty acids and sugars?(1 point) Responses Genetic material is made of nucleotides, which contain amino acids; fatty acids and sugars are not part of genetic material. Genetic material is made of nucleotides, which
A complex carbohydrate made of many glucose molecules is known as a(1 point) Responses multisaccharide. multisaccharide. polysaccharide. polysaccharide. trisaccharide. trisaccharide. saccharide
Fatty acids are the building blocks of(1 point) Responses lipids lipids DNA DNA amino acids amino acids monosaccharides
Which biomolecule stores genetic information for body cells?(1 point) Responses lipids. lipids. proteins. proteins. carbohydrates. carbohydrates. nucleic acids
"Why Journalism Has A Gender Problem" by Corinne Segal in 1 sentence write an objective summary of the article. (4 points)
'How a Children’s Toy Could Help Fight Malaria” by Jason Daley in 1 sentence analyze how the author uses supporting details throughout the text to explain the importance of the paper centrifuge for all communities.
""Black Panther" Comic Books Belong in Classroom" by David Cutler in 1-2 sentences, explain the author’s tone. Give examples of words from the text that help make the author’s tone clear and explain their effect
